Waterman Group Site, Pima
Day Use Areas in Arizona
Photo: CK2AZ / CC BY 4.0
Near Marana, AZ in Arizona
What to Pack for Waterman Group Site, Pima
Being properly equipped turns potential hazards into manageable situations.
Pack for Desert terrain, Arid, and the wildlife considerations above.
Essential
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Water (minimum 2L) — Dehydration impairs judgment and endurance long before you feel thirsty; 2L is the minimum for a moderate day hike.
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Navigation (map/GPS/compass) — Phone batteries die, cell service disappears, and trail signs get vandalized; a paper map and compass always work.
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Sun protection (sunglasses, sunscreen) — UV exposure intensifies at elevation and near reflective surfaces like water and snow; sunburn can happen in under 30 minutes.
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First aid kit — Blisters, cuts, and sprains happen on even the easiest trails; basic supplies let you treat problems before they force a retreat.
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Extra food — A wrong turn or unexpected storm can extend any outing by hours; extra calories prevent fatigue and poor decision-making.
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Headlamp with extra batteries — Trails that seem short in daylight can take twice as long with route-finding or elevation; a headlamp keeps you moving safely after dark.
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Fire starter — Hypothermia can set in even during summer at higher elevations; a reliable fire starter provides warmth and a signal for rescuers.
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Emergency shelter (space blanket) — A space blanket weighs under two ounces and reflects up to 90% of body heat, buying time in an unplanned overnight.
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Knife or multi-tool — From cutting cord to preparing food to improvising gear repairs, a knife is the most versatile tool you can carry.
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Extra clothing layer — Mountain weather can shift from sunshine to sleet within an hour; an extra layer prevents dangerous heat loss.
Wildlife Gear
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Hiking buddy (avoid solo) — Groups of three or more are almost never involved in serious bear incidents; larger groups make more noise and appear more intimidating.
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Noise maker — Clapping, whistling, or using an air horn warns wildlife of your approach, preventing surprise encounters on blind corners.
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Gaiters — Snake-proof gaiters provide a physical barrier against venomous bites below the knee, where most strikes occur.
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First-aid snakebite kit — While evacuation to a hospital is the priority, a snakebite kit helps you stay calm and follow proper first-aid protocols.
Terrain Gear
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Wide-brim hat — A wide brim shades your face, ears, and neck simultaneously, reducing UV exposure and lowering heat stroke risk.
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Sunscreen SPF50+ — Reflected UV from water, sand, and snow can burn exposed skin even on overcast days; SPF50+ blocks 98% of UVB rays.
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Extra water (desert) — Desert water sources are unreliable and often seasonal; carry all the water you need rather than counting on finding more.
Seasonal Gear
- Spring: Camera, Wildflower field guide
- Fall: Camera, Binoculars (foliage viewing)
Activities & Best Time to Visit Waterman Group Site, Pima
The Desert terrain here lends itself to a range of outdoor activities throughout the year.
Whether you're here for photography or looking to try something different, Waterman Group Site has options.
Photographers rate this area 55/100, with Good dark sky (Bortle 4) and 3 excellent meteor showers being a major draw.
Activities
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photography — Capture landscapes, wildlife, and changing light across trails, coastlines, and mountain vistas.
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picnicking — Spread a blanket, unpack a meal, and enjoy food outdoors surrounded by fresh air and open views.
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walking — A simple way to explore trails, shorelines, and park paths at your own pace while taking in the scenery.
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wildlife_viewing — Observe animals in their natural habitats, from grazing deer to soaring raptors overhead.
Best months: Oct, Nov, Dec, Jan, Feb, Mar, Apr
Terrain: Desert — Desert terrain features sparse vegetation, exposed soils, and wide temperature swings between day and night.
Wildlife Safety at Waterman Group Site, Pima
Part of visiting responsibly is understanding the wildlife safety considerations for this area.
Most visitors at Waterman Group Site never have a wildlife incident, but a danger score of 25/10 means preparation matters.
- Mountain lions
- Venomous snakes
- Far from city (83mi)
- Good dark sky (Bortle 4)
- 3 excellent meteor showers
- Fall foliage
- Spring wildflowers
Venomous Snakes
Venomous snakes here include . They're most active during warm months.
- Watch where you step and place hands
- Stay on trails
- Wear boots and long pants in snake country
- Do not reach under rocks or logs
- If bitten: stay calm, immobilize limb, seek medical help immediately
- Do NOT: cut wound, suck venom, apply tourniquet, ice, or alcohol
Nature & Wildlife at Waterman Group Site, Pima
The Desert terrain here supports a rich ecosystem worth noticing as you explore.
The Desert environment here supports 44 documented species across mammals, birds, reptiles, and amphibians.
Trees (2)
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Arizona sycamore — Round seed balls hang on long stalks. -
silverleaf oak — The bark is dark and furrowed.
Wildflowers (1)
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Arizona poppy — Bright orange to yellow cup-shaped flowers.
Shrubs (4)
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Creosote Bush — Bright yellow flowers bloom after rain. -
tree cholla — Older stems form a woody trunk-like base, giving it a branching tree form. -
Engelmann's Hedgehog Cactus — Bright cup-shaped flowers open in sunlight and are followed by spiny fruits. It thrives in rocky desert slopes and well-drained soils.
Other Plants (5)
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fishhook barrel cactus
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ocotillo
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rainbow hedgehog cactus
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Palmer's agave
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saguaro
Mammals (5)
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White-tailed Deer — Reddish-brown in summer and grayish in winter with a bright white underside to the tail. -
Arizona Gray Squirrel — A large gray squirrel with white underparts and long bushy tail. -
White-nosed Coati — A raccoon-like mammal with long ringed tail and white facial markings. -
Pronghorn — A slender tan-and-white ungulate with distinctive black facial markings. -
Rock Squirrel — A large ground squirrel with mottled gray-brown fur and bushy tail.
Birds (30)
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Ruddy Duck — Breeding male with bright blue bill and chestnut body -
Rock Pigeon — Blue-gray with two black wing bars -
Ring-necked Duck — Male with glossy black head and gray sides -
Gambel's Quail — Gray body with chestnut flanks -
Neotropic Cormorant — Small dark cormorant
Reptiles (9)
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Yarrow's Spiny Lizard — A medium-sized lizard with spiny scales and gray to brown coloring. -
Western Diamond-backed Rattlesnake — A heavy-bodied rattlesnake with bold diamond-shaped dorsal blotches. -
Ornate Tree Lizard — A small spiny lizard with gray to brown coloration and subtle patterning. -
Clark's Spiny Lizard — A medium lizard with rough scales and gray to brown coloration. -
Sonoran Spotted Whiptail — A slender lizard with spotted pattern and faint stripes.
Amphibians (3)
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Sonoran Desert Toad -
Canyon Tree Frog -
Red-spotted Toad
Insects (20)
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Marine Blue -
Pipevine Swallowtail -
Arizona Sister -
American Snout -
Bordered Patch
Other Wildlife (1)
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Stripe-tailed Scorpion
Nature Bingo at Waterman Group Site, Pima
Can you spot them all? Check off each species as you find it on your visit.
Wildlife Challenge
Botany Challenge
Waterman Group Site, Pima Climate & Sun
Reference data: temperatures, precipitation, and daylight hours by month.
The annual average temperature here is 70.4°F, with 10.8 inches of precipitation.
Climate type: Arid
Annual avg temp: 70.4°F
Annual precipitation: 10.8 in
With an average annual temperature of 70.4°F and 10.8 inches of precipitation, Waterman Group Site has hot, dry conditions. Summer highs average around 89°F, while winter lows drop to 53°F.
Best months to visit: Jan, Feb, Mar, Apr, Oct, Nov, Dec.
| Month | Avg Temp | Precip |
|---|---|---|
| Jan | 53°F | 1.0 in |
| Feb | 56°F | 0.9 in |
| Mar | 61°F | 0.7 in |
| Apr | 68°F | 0.3 in |
| May | 76°F | 0.2 in |
| Jun | 86°F | 0.2 in |
| Jul | 89°F | 1.5 in |
| Aug | 87°F | 2.1 in |
| Sep | 83°F | 1.1 in |
| Oct | 73°F | 0.9 in |
| Nov | 62°F | 0.6 in |
| Dec | 53°F | 1.3 in |
Daylight & Sun Times
Daylight ranges from 10 hours in winter to 14.3 hours in summer — a difference of 4.3 hours.
Summer: 5:18 AM – 7:33 PM
Winter: 7:19 AM – 5:22 PM
Waterman Group Site, Pima Trip Planning & Access
Here's the practical side of visiting Waterman Group Site.
Waterman Group Site is 83 miles from Phoenix — here's what to budget for the trip.
Visitor Friendliness
This location rates likely_allowed for dogs, excellent for families, and highly_suitable for elderly visitors.
- Dogs: likely_allowed — No restrictions found
- Families: excellent
- Elderly: highly_suitable
- Strollers: excellent (100/100)
- Beginners: Perfect for beginners (Easy difficulty - perfect for beginners (+20))
- Accessibility: Generally accessible to most visitors (100/100)
Places Near Waterman Group Site, Pima
The area around Waterman Group Site has plenty more to offer.
If you're exploring this part of Arizona, these nearby spots complement a visit to Waterman Group Site.
Nearby Trails
- Desert Winds Trail, Pima 14.49 mi
- Cactus Wren Trail, Pima 15.02 mi
- Signal Hill Trail, Pima 15.83 mi
- Manville Trail, Pima 15.83 mi
- Sus Picnic Area Trail, Saguaro National Park 16.14 mi
Nearby Campgrounds
- Silverbell Group Site, Pima 8.07 mi
- Gilbert Ray Campground, Pima 21.18 mi
Nearby Attractions
Stargazing & Night Sky at Waterman Group Site, Pima
After a day outdoors, the evening sky here is worth a look.
On clear nights, the Bortle class 4 skies above Waterman Group Site reveal constellations and bright planets.
Constellations
From Waterman Group Site, you can trace Ursa Minor, Cepheus across the sky on clear nights.
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Ursa Minor — Home to Polaris, the North Star, Ursa Minor forms a small dipper shape that circles the northern sky year-round. -
Cepheus — Cepheus appears as a faint house-shaped pattern near Polaris in the northern sky.
Meteor Showers
Time your visit around December 13-14 for the Geminids, the strongest meteor shower visible from this latitude.
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Geminids — peaks December 13-14 (excellent)One of the most reliable and active showers of the year; best viewed after 10 PM when Gemini rises higher in the sky.
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Quadrantids — peaks January 3-4 (excellent)This brief but intense shower peaks before dawn; early morning hours offer the best chance to see multiple meteors.
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Perseids — peaks August 11-13 (excellent)A summer favorite with warm nighttime viewing; look northeast after 10 PM.
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Eta Aquariids — peaks May 5-6 (good)Best seen before dawn in the southeastern sky as Aquarius rises.
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Delta Aquariids — peaks July 28-29 (fair)Best viewed after midnight when Aquarius is higher in the southern sky.
Planets
Planets visible to the naked eye from this location:
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Venus — The brightest planet, often called the Morning or Evening Star -
Jupiter — The largest planet, bright and steady in the night sky -
Saturn — Famous for its rings, visible as a golden steady light -
Mars — The Red Planet, recognizable by its reddish-orange hue
Equipment Guide
- Naked eye: Venus, Jupiter, Saturn, Mars, Mercury (with care)
- Binoculars: Jupiter moons, Uranus, Saturn rings (barely)
- Small telescope: Saturn rings, Jupiter bands, Mars surface features, Neptune
Viewing Tips
- Check planets rise/set times for your specific date
- Planets appear along the ecliptic (zodiac path)
- Planets don't twinkle like stars - steady light
- Venus and Jupiter are unmistakable - brightest objects after Moon
- Use a stargazing app to confirm planet positions
- Best viewing: when planet is highest in sky (transit)
Best Viewing Months
- Evening: Oct, Nov, Dec, Jan, Feb
- Morning: Jul, Aug, Sep
Seasonal Highlights at Waterman Group Site, Pima
The time of year you visit changes what you'll see and do.
Timing your visit to Waterman Group Site around seasonal highlights can make a major difference in what you experience.
Spring Wildflowers
Peak bloom: March - April
Check local park websites for bloom reports
Fall Foliage
Peak color: October 25 – November 15
Best trees for color: Maple, Oak, Aspen
Higher elevations peak 1-2 weeks earlier
Bird Migration
Spring peak: March - April
Fall peak: October - November
Best spots: Wetlands, coastlines, mountain ridges
Indigenous Land at Waterman Group Site, Pima
Before planning your trip, it's worth recognizing the Indigenous peoples connected to this land.
Before this became a recreation area, this land belonged to O’odham Jeweḍ, Tohono O’odham, Hohokam.
Territories
Languages
Indigenous languages connected to this territory include Tohono O’odham, Pima.
Data from Native Land Digital
Waterman Group Site, Pima Geology & Natural History
Beyond the trails and wildlife, Waterman Group Site sits within a landscape shaped by millions of years of geological processes. Here's what researchers and surveys have documented about this area.
Bedrock Geology
- Rock Type
- Quaternary surficial deposits, undivided
- Lithology
- Major:{sand,silt,clay}
- Age
- Cenozoic
Mineral Deposits
- Deposit Sites
- 117
- Richness
- Exceptional
- Minerals Found
- Copper, Silver, Barium-Barite, Manganese, Gold, Molybdenum, Lead, Zinc
Endangered Species
- Species at Risk
- 1478
- ESA Endangered
- 29
- ESA Threatened
- 16
- Conservation Score
- 100/100
Temperature Records
- Record High
- 117°F (1911-08-17)
- Record Low
- 17°F (1971-01-05)
Wildfire History
This area has a relatively low wildfire risk, but always follow posted fire regulations.
- Recorded Fires
- 1
- Largest Fire
- ESCONDIDO (201.3 acres)
- Most Recent
- 2023
- Fire Risk
- Low
Watershed
- Watershed
- Mammoth Wash
- Water Quality (Good)
- 0%
- Impaired
- 0%
Meteorite Landings
- Meteorites Found
- 2
- Largest
- Silver Bell (5.1 kg)
Waterman Group Site, Pima Safety & Conditions
The weather data above tells you what's typical — these links tell you what's happening right now.
Before visiting Waterman Group Site, verify current conditions through these authoritative sources.
Coordinates: 32.359716, -111.467685